Let's divide 43471221 by 577
We want to divide 43471221 by 577.

Advancing to step 1:
4 divided by 577 is 0 with a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Fetch the next digit (3) from the dividend, attach it to 4 and continue: 43 / 577

On to step 2:
43 divided by 577 is 0 with a remainder of 43.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 43 and we're left with 43.
Fetch the next digit (4) from the dividend, attach it to 43 and continue: 434 / 577

Going ahead to step 3:
If we divide 434 by 577, we get 0 and a remainder of 434.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 434, we get 434.
Append the next digit (7) from the dividend to 434 and continue with: 4347 / 577

Going ahead to step 4:
When dividing 4347 by 577, we get 7 with a remainder of 308.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
Deduct 4039 from 4347 and we're left with 308.
Take the next digit (1) from the dividend and append it to 308, then repeat: 3081 / 577

Moving on to step 5:
577 can be fit into 3081 5 times, resulting in a remainder of 196.
The number 5 becomes the next digit in our result. 
Result so far: 75.0
If we take 2885 away from 3081, we end up with 196.
Include the next digit (2) from the dividend after 196, then repeat: 1962 / 577

On to step 6:
The number 577 fits into 1962 3 times, leaving a remainder of 231.
The number 3 becomes the next digit in our result. 
Result so far: 753.0
If we take 1731 away from 1962, we end up with 231.
Append the next digit (2) from the dividend to 231 and continue with: 2312 / 577

Let's proceed to step 7:
577 can be fit into 2312 4 times, resulting in a remainder of 4.
The next digit of our result is 4. 
Result so far: 7534.0
Deduct 2308 from 2312 and we're left with 4.
Append the next digit (1) from the dividend to 4 and continue with: 41 / 577

Advancing to step 8:
41 divided by 577 is 0 with a remainder of 41.
Write down 0 as next digit of the result. 
Result so far: 75340.0
The remainder is 41 after subtracting 0 from 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Advancing to step 9:
577 can be fit into 410 0 times, resulting in a remainder of 410.
The next digit of our result is 0. 
Result so far: 75340.0
Deduct 0 from 410 and we're left with 410.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4100, and continue the process.

Moving on to step 10:
If we divide 4100 by 577, we get 7 and a remainder of 61.
The number 7 becomes the next digit in our result. 
Result so far: 75340.07
The remainder is 61 after subtracting 4039 from 4100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 610, and continue the process.

Let's proceed to step 11:
610 divided by 577 is 1 with a remainder of 33.
Put 1 as the next digit of the answer. 
Result so far: 75340.071
The remainder is 33 after subtracting 577 from 610.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Moving on to step 12:
When dividing 330 by 577, we get 0 with a remainder of 330.
Record the quotient 0 as the next digit in the result. 
Result so far: 75340.071
If we take 0 away from 330, we end up with 330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3300, and continue the process.

Going ahead to step 13:
3300 divided by 577 is 5 with a remainder of 415.
The number 5 becomes the next digit in our result. 
Result so far: 75340.07105
Deduct 2885 from 3300 and we're left with 415.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4150, and continue the process.

Moving on to step 14:
577 can be fit into 4150 7 times, resulting in a remainder of 111.
The number 7 becomes the next digit in our result. 
Result so far: 75340.071057
Deduct 4039 from 4150 and we're left with 111.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1110, and continue the process.

Advancing to step 15:
1110 divided by 577 is 1 with a remainder of 533.
Use 1 as the next digit of our solution. 
Result so far: 75340.0710571
If we take 577 away from 1110, we end up with 533.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5330, and continue the process.

Going ahead to step 16:
If we divide 5330 by 577, we get 9 and a remainder of 137.
The number 9 becomes the next digit in our result. 
Result so far: 75340.07105719
Deduct 5193 from 5330 and we're left with 137.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1370, and continue the process.

The final result is 75340.07105719 with a remainder of 1.37e-07.